Rural energy planning
See Answer →Combustion analyser
See Answer →Waste heat recovery
See Answer →Sankey Diagram
See Answer →The operating power factor during audit is 0.7. Total load connected is 180 kW. Determine the rating of power capacitors for improving the power factor to 0.9.
See Answer →How do they differ from ordinary steam boilers?
See Answer →A company has power factor of 0.6. Determine the power capacitor rating for improving the power factor to 0.95.
See Answer →Define real power, apparent power and power factor.
See Answer →Classify the energy conservation measures applicable in steel industry.
See Answer →A co-generation plant installation is expected to reduce a company’s annual energy bill by Rs.24 lakhs. If the capital cost of the new cogeneration installation is Rs.90 lakhs and the annual maintenance and operating costs are Rs. 6 lakhs, what will be the expected payback period for the project?
See Answer →Explain the working principle of thermocouples.
See Answer →Explain the utility and features of the energy audit equipment used for the measurement of electrical parameters.
See Answer →How do an Industry, nation and globe would benefit from energy efficiency programmes?
See Answer →Energy conservation and energy efficiency are separate but related concepts. Discuss the statement.
See Answer →
Describe the energy conservation opportunities for residential and commercial application.
See Answer →The equation of transverse wave on a rope is
where y and x are measured in cm and t is expressed in second. Calculate the maximum speed of a particle on the rope.
See Answer →For a damped harmonic oscillation, the equation of motion is
Calculate (i) the period of motion, (ii) number of oscillations in which its amplitude will become half of its initial value, and (iii) the number of oscillations in which its mechanical energy will drop to half of its initial value.
A simple harmonic oscillator has amplitude 15 cm and it completes 100 oscillations in 50 s. (i) Calculate its time period and angular frequency. (ii) If the initial phase is
π/2, write expressions for its displacement and velocity. (iii) Calculate the values of maximum velocity and acceleration.
See Answer →The planet Jupiter has an elliptical orbit e =.05 and a semi major axis of 7.8×10¹¹m. Find the energy of the planet and the perihelion and aphelion distances.
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